—All the isatis root（板蓝根） is sold out!
—People are crazy! experts say there is no use eating isatis root to prevent
H7N9, some people still don’t believe it.
| A．Although | B．Unless | C．As a result | D．In order that |
All the fruit is free. You can eat ________.
| A．as few as possible | B．as much as possible |
| C．as much as you can | D．Both B and C |
Mom, could you buy me a new jacket? This one can’t ________ the cold.
| A．hang out | B．keep out | C．hand out | D．help out |
If you don’t know ________ the new robot toy, you’d better read the instructions first.
| A．where to mend | B．how to make | C．how to use | D．where to buy |
---________ will your head teacher return from the USA?
---In two days.
| A．How long | B．How soon | C．How often | D．How old |
Everyone has his own dreams, but not all the dreams can always _________.
| A．come true | B．come over | C．keep true | D．get out |